A randomized 25 question test from a pool of 761 questions, good luck!
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow observation and control of the plant?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves holding registers # 40108?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the switch interacts with?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is used for schools, small localized businesses, and shopping malls?
Which of the terms below best describes the specific set of rules for communication?
Which of the recommended standards below would be best described as an unbalanced transmission system?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the guardianship HMI operating system?
Which of the answers below is not a common fiber optic connector in the instrumentation field? Choose the answer that best applies.
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is limited to 10 km or less?
In synchronous transmission, which of the answers below best describes where the incoming data is always detected by the receiver?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input status would use?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "H"?
Twisted pair to fiber optic is the best example of which of the following converters?
Which of the answers below best represents the Foundation fieldbus H1 data transmission parameters?
The OSI model describes how a network should be arranged. Which of the layers below concern network topologies the most?
Which of the answers below best represents the additional requirements to allow protocol conversion?
Voltage to voltage converters are best defined as which of the answers below?
Which of the error detection methods below is best used for larger data packets of virtually any kind of data?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 output points powered by 24Vdc or 120/230 Vac?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "F"?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be designed to reduce transmission of the records of alarms and/or events?
Which of the answers below is not an advantage of digital communications to field devices?
There are several data access methods used to transmit data. Which of the answers below can be described as a single controlling device commences communication with the responding devices attached to the same network?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as the highest percentage of the total configured alarms?
A DCS collects a lot of data during the course of operating. Which of the answers below best represents the number of databases commonly used in a DCS?